| Morfelden-Walldorf to Navodari | 1,015.54 mi (1,634.36 km) |
| Morfelden-Walldorf to Negresti-Oas | 688.27 mi (1,107.66 km) |
| Morfelden-Walldorf to Nehoiu | 882.10 mi (1,419.60 km) |
| Morfelden-Walldorf to Ocna Mures | 744.89 mi (1,198.79 km) |
| Morfelden-Walldorf to Odobesti | 902.23 mi (1,451.99 km) |
| Morfelden-Walldorf to Odorheiu Secuiesc | 809.53 mi (1,302.82 km) |
| Morfelden-Walldorf to Oltenita | 939.88 mi (1,512.60 km) |
| Morfelden-Walldorf to Onesti | 875.06 mi (1,408.27 km) |
| Morfelden-Walldorf to Oradea | 641.82 mi (1,032.91 km) |
| Morfelden-Walldorf to Orastie | 733.42 mi (1,180.32 km) |
| Morfelden-Walldorf to Oravita | 699.45 mi (1,125.65 km) |
| Morfelden-Walldorf to Orsova | 740.46 mi (1,191.66 km) |
| Morfelden-Walldorf to Otelu Rosu | 709.13 mi (1,141.24 km) |
| Morfelden-Walldorf to Otopeni | 899.26 mi (1,447.23 km) |
| Morfelden-Walldorf to Ovidiu | 1,015.02 mi (1,633.52 km) |
